[anymal] Added ANYmal b (this is now open-source and legally possible)

README.md

anymal_b_simple_description/meshes/base/anymal_base.dae

anymal_b_simple_description/meshes/base/base_uv_texture.jpg

anymal_b_simple_description/meshes/foot/anymal_foot.dae

...al_b_simple_description/meshes/foot/carbon_uv_texture.jpg

anymal_b_simple_description/meshes/hip/anymal_hip_l.dae

anymal_b_simple_description/meshes/hip/anymal_hip_r.dae

anymal_b_simple_description/meshes/shank/anymal_shank_l.dae

anymal_b_simple_description/meshes/shank/anymal_shank_r.dae

anymal_b_simple_description/meshes/thigh/anymal_thigh.dae

anymal_b_simple_description/robots/anymal.urdf

anymal_b_simple_description/srdf/anymal.srdf

example_robot_data/__init__.py

example_robot_data/__main__.py

example_robot_data/robots_loader.py

unittest/test_load.py